I had a dog that did'nt go in heat until she was 11mons. old but the female I have now went in heat at 6mons. old. Some dogs are more mature than others just like people. And they go in heat about two times a year.

Have you ever seen The Dog Wisperer? When the dog acts aggressive he grabs their scruff and makes them lie down on their side or back untill they calm down. I do that with my dogs and it works. You should also put your hand in his food once he cal...